.Banner{
    display: flex;
    
}

.Banner > ul{
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: rgb(44, 80, 95);
    padding: 20px 0;
    color: white;
}

.Banner > ul > li{
    padding: 0 20px;
    cursor: pointer;
}

.Banner > ul > li > a{
    display: flex;
    justify-content: space-between;
    height: 42px;
    line-height: 42px;
    align-items: center;
}

.Banner > ul > li > a::after{
    content: "";
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    border: 2px solid white;
    border-left: transparent;
    border-bottom: transparent;
}

.Banner > ul > li:hover{
    background-color: orange;
}


.Banner > img{
    flex: 4;
    object-fit: cover;
}

.bottom_banner{
    display: flex;
    margin-top: 10px;
    margin-bottom: 50px; 
}

.bottom_banner>#first_bottom{
    flex-grow: 1;
    color: white;
    text-align: center;
    height: auto;
    background-color: brown;
}

.bottom_banner>img{
    width: 320px;
    margin-left:10px ;
}